Science
The Mole: Molar Mass and Conversions
Students calculate molar masses and convert between grams, moles and particles using given atomic masses and Avogadro’s number.
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Science
The Nervous System and the Reflex Arc
Students read about neurons and reflexes, match nervous system parts to their jobs, put the steps of a reflex arc in order and sort actions into reflex or voluntary.
Science
The Rock Cycle: Follow a Boulder’s Journey
Students read about the three rock types, match rock-cycle processes to their descriptions, sort common rocks and trace a granite boulder through the cycle.
Science
The Water Cycle: Follow the Water
Students read about the stages of the water cycle, complete vocabulary blanks, do simple percent calculations about where Earth’s water is and trace a raindrop’s path.
Science
Two Pathways: Following Food and Air Through the Body
Students read about the digestive and respiratory pathways, match digestive organs to jobs, put the path of air in order and explain how digestion and circulation cooperate.
Science
Waves and Light: Wavelength, Frequency and the Spectrum
Students label wave parts with a word bank, solve wave speed problems, order the electromagnetic spectrum and answer questions on light and sound.
Science
Waves and Sound: Wavelength, Frequency and Speed
Students match wave vocabulary, use v = f × λ and echo and thunder timing to find wavelengths and distances, and classify waves as transverse or longitudinal.
Science
Weather vs. Climate: Compare Two Cities with Data
Students sort statements into weather or climate, calculate averages and ranges for two cities, and explain why a coastal city has a milder climate.
Science
Work, Energy and Power: Roller Coaster Energy Budget
Students calculate work, kinetic energy, potential energy and power, then fill in an energy table for a coaster car to see energy conservation at work.
Science
Writing Formulas and Names for Ionic and Covalent Compounds
Students use a table of ion charges to write formulas from names and names from formulas, then practice prefixes for covalent compounds.